If you need, besides major accounts, an extra account with limited access to data, you can add Windows 8 Guest account. The process is almost the same as in Windows 7.
If you know how to sing or hum a song, but don't know the title or the artist performing it, you can use a midomi website which will help you find the the song.
The ability to save any of your selections and then use them at any given time is another useful Adobe Photoshop option. Let me show you how to use it.